Location: Yuma County
Report on the history of the King of Arizona Mine from 1897 to 1910. Letters of inquiry with responses from the State Geologist. A note from the County Recorder, Yuma County on ownership of the mine ca. 1935.
Letter from Albert E. Torelle to Arizona Bureau of Mines / with response
Letter from the Office of the County Recorder, Yuma County
Report on the History of King of Arizona (KOFA) Mine (12 pg)
Handwritten Letter from Fred Mason to G.M. Butler / with response